American Cancer Society recommendations for colorectal cancer early detection (2012). Retrieved from
Colorectal cancer screening and surveillance: Clinical guidelines and rationale. Retrieved from
Rex, D. K. et al. (2009). American College of Gastroenterology guidelines for colorectal cancer screening 2008. The American Journal of Gastroenterology 104: 739-750.
Leiberman, D. A., Rex, D. K., Winawer, S. J. Giardiello, F. M & Johnson, D. A. (2012). Guidelines for Colonoscopy Surveillance After Screening and Polypectomy: A Consensus Update by the US Multi-Society Task Force on Colorectal Cancer. Gastroenterology 143:844–857. Retrieved from